Mavericks’ Cooper Flagg, Duke’s Arianna Roberson confirm relationship – USA Today

May 15, 2026, 4:45 p.m. ET It’s modern-day “Love & Basketball” in Durham, North Carolina. Duke center Arianna Roberson went Instagram official with boyfriend Cooper Flagg, who also played basketball at Duke before being drafted No. 1 overall by the Dallas Mavericks in 2025 and winning Rookie of the Year. The basketball duo confirmed their relationship with vacation photos from a trip to Turks and Caicos. Roberson shared a TikTok video of her and Flagg holding hands as they showcase their matching vacation outfits on Thursday. Flagg later shared an Instagram Story of the duo sharing a kiss. He added two black heart emojis to the post. Both Roberson and Flagg arrived at Duke in Durham, North Carolina, as freshman in the 2024-25 season. Flagg was named the national college player of the year after averaging 19.2 points per game, while Roberson was sidelined for the season with a knee injury. The following season, Roberson averaged eight points and 5.7 rebounds in Duke’s run to the Elite Eight in the 2026 NCAA Tournament. The couple first sparked speculation after Roberson sat alongside Flagg’s parents during his Rookie of the Year ceremony in April after he averaged 21.0 points, 6.7 rebounds
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